** Shares of U.S. gaming stocks slide after Alphabet's GOOGL.O Google launches Project Genie
** Shares of Unity Software U.N plunge 18.4%, Roblox RBLX.N falls 10.8% and Take-Two Interactive Software TTWO.O fell 9.6%
** Project Genie is an experimental Google Labs' web prototype that lets people create, explore and remix interactive "worlds" generated by AI "world model"
** "A world model simulates the dynamics of an environment, predicting how they evolve and how actions affect them," Google says
** In 2025, U nearly doubled, RBLX rose 40%, while TTWO rose 39%
(Reporting by Arnav Mishra in Bengaluru)
((Arnav.Mishra@thomsonreuters.com;))